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  1. Business Entity Search - ilsos.gov

    Information on state and government officials, updated every 2 years. The Department of Business Services database includes information on the following types of business entities: Corporations, Not …

  2. Illinois Secretary of State | Business Entity Search

    The Illinois Secretary of State operates a business entity search tool, which is available for public use. Individuals may use this tool to look up an Illinois business’s official public information and means of …

    • Reviews: 216
    • Business - Illinois.gov

      Corp and LLC Certificate of Good Standing allows you to search for information regarding corporations, not-for-profit corporations, limited partnerships, limited liability companies and limited liability …

    • Assumed Business Name Search | DuPage Co, IL

      If you are seeking information on a business license or permit, please contact the Illinois Department of Financial and Professional Regulation. If you are seeking information on charitable or tax exempt …

    • Business Entity Search Illinois - Secretary of State

      Nov 16, 2025 · This guide walks you through everything, how to search Illinois companies, check good standing, view registered agent information, access filing history, download official documents, and …

      • Reviews: 1.4K
      • Illinois Business Entity SearchForbes Advisor

        Jun 3, 2024 · If you are starting a business in Illinois, you can search for available business names on the Illinois Secretary of State website through the Illinois business entity search tool. What...

      • Business Search / Certificate of Good Standing - Illinois Secretary of ...

        The Department of Business Services Database includes information regarding corporations, not-for-profit corporations, limited partnerships, limited liability companies and limited liability partnerships, …

      • Corporate & Limited Liability Company (LLC) Name Search - Illinois.gov

        Corp and LLC Certificate of Good Standing allows you to search for information regarding corporations, not-for-profit corporations, limited partnerships, limited liability companies and limited liability …

      • Secretary of State | Business Entity Search

        Use the Secretary of State’s office to look up a business entity by entering its name, number, or officer. Any query must be performed in the Corporations Database to view the entity’s information.

      • Online Searches - Illinois Secretary of State

        800-252-8980 (toll free in Illinois) 217-785-3000 (outside Illinois)